[PATCH 0/2] perf: Improve user regs sampling

[Andy Lutomirski]

This seems to improve the situation on x86_64 from almost entirely
broken to mostly working.  Tested with:

perf record -e cycles --call-graph=dwarf ls

Andy Lutomirski (2):
  perf: Move task_pt_regs sampling into arch code
  x86_64, perf: Improve user regs sampling

 arch/arm/kernel/perf_regs.c   |  8 ++++
 arch/arm64/kernel/perf_regs.c |  8 ++++
 arch/x86/kernel/perf_regs.c   | 90 +++++++++++++++++++++++++++++++++++++++++++
 include/linux/perf_event.h    | 12 +++---
 include/linux/perf_regs.h     | 16 ++++++++
 kernel/events/core.c          | 19 ++++-----
 6 files changed, 137 insertions(+), 16 deletions(-)

-- 
2.1.0

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/